Electric drink mixer



FIG. 1 is a perspective view of an electric drink mixer showing my new design;

FIG. 2 is a top plan view;

FIG. 3 is a front elevational view;

FIG. 4 is a side elevational view;

FIG. 5 is a perspective view of an electric drink mixer showing a modification of my new design of FIG. 1 comprising three mixing units;

FIG. 6 is a rear elevational view of FIG. 1; and

FIG. 7 is a bottom plan view. 

The ornamental design for an electric drink mixer, substantially as shown and described. 